Gravitomagnetism in the Kerr Newman Taub NUT spacetime
Donato BiniICRA International Center for Relativistic Astrophysics, University of Rome, I-00185 Rome, ItalyChristian CherubiniDipartimento di Fisica ‘E.R. Caianiello’, Università di Salerno, I-84081, ItalyRobert T JantzenDepartment of Mathematical Sciences, Villanova University, Villanova, PA 19085, USABahram MashhoonDepartment of Physics and Astronomy, University of Missouri-Columbia, Columbia, MO 65211, USA
2003en
ABI
Аннотация
We study the motion of test particles and electromagnetic waves in the Kerr-Newman-Taub-NUT spacetime in order to elucidate some of the effects associated with the gravitomagnetic monopole moment of the source. In particular, we determine in the linear approximation the contribution of this monopole to the gravitational time delay and the rotation of the plane of the polarization of electromagnetic waves. Moreover, we consider "spherical" orbits of uncharged test particles in the Kerr-Taub-NUT spacetime and discuss the modification of the Wilkins orbits due to the presence of the gravitomagnetic monopole.
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